Come on an epic journey as our host Joe Hanson explores the mysterious physics of sand. Along the way, we meet Dr. Melany Hunt and Dr. Nathalie Vriend who solved the long-standing mystery of how dunes sing. If you want to take your journey further, head over to It’s Okay to be Smart (https://youtu.be/L6Now-gHtx0) - where Joe Hanson takes an even deeper dive into sand... and lives to tell the tale!